package main

import "fmt"

func main() {

	var a string
	//int string float
	//pair<static type:string, value:"dddd">
	a = "dddd"

	//pair<type:, value:>
	var allType interface{}
	//pair<type:string, value:"dddd">
	allType = a
	str,is := allType.(string)
	fmt.Println(str,is)
}
